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Reflectivity of a disordered monolayer estimated by graded refractive index and scattering models |
JOSA A, Vol. 29, Issue 9, pp. 1912-1921 (2012)
http://dx.doi.org/10.1364/JOSAA.29.001912
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Abstract
Reflectivity of a random monolayer, consisting of transparent spherical particles, is estimated using a graded refractive index model, an effective medium approach, and two scattering models. Two cases, a self-standing film and one with a substrate, are considered. Neither the surrounding medium nor the substrate are absorbing materials. Results at normal incidence, with different particle sizes, covering ratios and refractive indexes, are compared. The purpose of this work is to find under which circumstances, for reflectivity at normal incidence, a particle monolayer behaves as a graded refractive index film.
© 2012 Optical Society of America
OCIS Codes
(240.0310) Optics at surfaces : Thin films
(290.1350) Scattering : Backscattering
(290.4210) Scattering : Multiple scattering
(290.5850) Scattering : Scattering, particles
(310.6860) Thin films : Thin films, optical properties
(310.6628) Thin films : Subwavelength structures, nanostructures
ToC Category:
Thin Films
History
Original Manuscript: June 19, 2012
Revised Manuscript: July 20, 2012
Manuscript Accepted: July 21, 2012
Published: August 21, 2012
Virtual Issues
Vol. 7, Iss. 11 Virtual Journal for Biomedical Optics
Citation
Ruth Diamant, Augusto Garcí-Valenzuela, and Manuel Fernández-Guasti, "Reflectivity of a disordered monolayer estimated by graded refractive index and scattering models," J. Opt. Soc. Am. A 29, 1912-1921 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-29-9-1912
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